AMC Gremlin TH400 Shifters and Control Modules

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

Learn how to install a side detent shifter in a 1969 Chevy C10.

Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility.

Looking for a cost effective way to upgrade the front of your car? This article shows the steps to replace upper and lower stock control arms with tubular control arms for added suspension strength.

An overview on swapping turbo mufflers for chamber mufflers on a 1969 C/10 pickup. See how to extend the muffler length using exhaust pipe.

Learn how replace lower and upper rear control arms. Read up on racer Steve's A-body control arm replacement and the bushings included kit he recommends.

Tips and tricks to pull the most from your GM 602/604 platform.

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Tim M. has tried to stay true to the vintage route, but sometimes, exceptions must be made. For example, the original oiling system's paper element and canister are functional, but an upgraded system will be more reliable.